On 10/27/2013 08:16 PM, Phil Allison wrote:
"William Sommerwerck"

I've been selecting parts to upgrade a pair of Advents. In the process, I
discovered I didn't know the difference between ON-NONE-ON and ON-OFF-ON.

Duh...


** The use of "none" in the descriptions of toggle switches seems to be a
new thing.

Google tells me that several makers are doing it but not when it was they
conspired to do so.

My Farnell catalogue (about 2 years old) has no such "none" sense in it.




... Phil



2 states v 3 states, no?